Title:
【発明の名称】不透明石英ガラスの製造法
Document Type and Number:
Japanese Patent JP3043032
Kind Code:
B2
Inventors:
Masato Sasaki
Katsufumi Takahashi
Yoshihiko Goto
Katsufumi Takahashi
Yoshihiko Goto
Application Number:
JP17897790A
Publication Date:
May 22, 2000
Filing Date:
July 06, 1990
Export Citation:
Assignee:
Nippon Quartz Glass Co., Ltd.
International Classes:
C03B20/00; C03C3/06; C03C11/00; (IPC1-7): C03B20/00; C03C11/00
Domestic Patent References:
| JP5259610A |
Attorney, Agent or Firm:
Yoshikazu Ishii